BUR #42 has been approved by @Goujer.
create alias mac_os_x_lion -> os_x_lion
create alias mac_os_x_mountain_lion -> os_x_mountain_lion
create alias mac_os_x_mavericks -> os_x_mavericks
create implication os_x_lion -> macos
create implication os_x_mountain_lion -> macos
create implication os_x_mavericks -> macos
create implication macbook -> macintosh
Matching the names more with their final release names. Some implications stuff too